Wednesday, June 12, 2019

DHCP through a NAT

I have the following network layout:

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There is a house DHCP server, and we have several production lines with 192.168.X.X private networks. We have a cable from house access point the drops to a NAT on each line that is connected to each lines private network. Most things have static IPs and in the NAT we simply hardcode the translation 192.168.1.24 = 10.216.232.14 or whatever in the NAT table.

We have a lot of devices that don't even need to communicate with anything internally though, they don't have a static IP and are setup for DHCP by default. IT is able to set 10.216.232.200-254 as DHCP addresses, is it possible to have a device (monitor C) send a DHCP through the NAT to the houses DHCP server and get a house IP address that will communicate through the NAT?

The NAT we are using is a mGuard rs2000. I am reading through manual and I can setup it's DHCP server to be a relay. Would that work like I want it to?



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